<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript" src="http://www.126web.net/js/jquery.min.js"></script>
<script type="text/javascript">
function dropMenu(obj){
	$(obj).each(function(){
		var theSpan = $(this);
		var theMenu = theSpan.find(".submenu");
		var tarHeight = theMenu.height();
		theMenu.css({height:0,opacity:0});
		theSpan.hover(
			function(){
				$(this).addClass("selected");
				theMenu.stop().show().animate({height:tarHeight,opacity:1},400);
			},
			function(){
				$(this).removeClass("selected");
				theMenu.stop().animate({height:0,opacity:0},400,function(){
					$(this).css({display:"none"});
				});
			}
		);
	});
}

$(document).ready(function(){
	
	dropMenu(".drop-menu-effect");

});
</script>

<style type="text/css">
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
a,a:visited{color:#5e5e5e; text-decoration:none;}
a:hover{color:#333;text-decoration:underline;}
body{font:12px/180% Arial,Lucida,Verdana,"宋体",Helvetica,sans-serif;color:#333;background:#fff;}
/* navbox */
.navbox,.nav li,.nav li.current a,.nav li.selected a span,.nav li a.selected,.nav li a.selected span{background: #CCC;}
.navbox{height:39px;background-position:0 -138px;background-repeat:repeat-x;position:relative;z-index:9;}
.nav{width:960px;margin:0 auto;}
.nav li{float:left;height:39px;background-position:100% -99px;padding:0 3px 0 2px;position:relative;}
.nav li.last{background:none;}
.nav li a{float:left;display:block;padding:0 0 0 4px;height:39px;overflow:hidden;}
.nav li a span{float:left;display:block;padding:0 4px 0 0;line-height:39px;font-size:14px;color:#fff;font-weight:800;cursor:pointer;width:142px;text-align:center;}
.nav li.selected a,.nav li a.selected{background-position:0 -60px;text-decoration:none;}
.nav li.selected a span,.nav li a.selected span{background-position:100% -60px;color:#ff7e00;}
.nav li.selected .submenu{display:block;}
.nav li .submenu{display:none;position:absolute;top:39px;left:6px;}
.nav li .submenu{border-style:solid;border-width:0px 1px 1px 1px;border-color:#ddd;padding:0 5px 5px 5px;width:132px;background:#fff;}
.nav li .submenu{-moz-border-radius:0 0 3px 3px;-webkit-border-radius:0 0 3px 3px;border-radius:0 0 3px 3px;-moz-box-shadow:0 5px 5px #D3D3D3;-webkit-box-shadow:0 5px 5px #D3D3D3;box-shadow:0 5px 5px #D3D3D3;}
.nav li .submenu li{float:none;padding:0;background:none;height:auto;border-bottom:dotted 1px #BEBEBE;}
.nav li .submenu li.last{border:none;}
.nav li .submenu li a{float:none;padding:0;text-align:center;height:28px;line-height:28px;background:none;}
.nav li .submenu li a:hover{background:#ddd;font-weight:800;}
</style>

</head>

<body>
<div class="navbox">
	<div class="nav">
		<ul class="clearfix">
			<li><a class="selected" target="_blank" href=""><span>网站首页</span></a></li>
			<li class="drop-menu-effect">
				<a target="_blank" href=""><span>网站建设</span></a>
				<ul class="submenu">
					<li><a href="">企业简单型</a></li>
					<li><a href="">企业标准型</a></li>
					<li><a href="">企业高级型</a></li>
				</ul>
			</li>
			<li class="drop-menu-effect">
				<a target="_blank" href=""><span>成品网站</span></a>	
				<ul class="submenu">
					<li><a href="">服务业</a></li>
					<li><a href="">消费品</a></li>
					<li><a href="">原材料</a></li>
				</ul>
			</li>
			<li class="drop-menu-effect">
				<a target="_blank" href=""><span>网站新闻</span></a>	
				<ul class="submenu">
					<li><a href="">最新签约</a></li>
					<li><a href="">最新活动</a></li>
					<li><a href="">新闻公告</a></li>
				</ul>
			</li>
			<li class="drop-menu-effect">
				<a target="_blank" href=""><span>网络学院</span></a>
				<ul class="submenu">
					<li><a href="">网络优化</a></li>
					<li><a href="">编程知识</a></li>
					<li><a href="">SQL知识</a></li>
				</ul>
			</li>
		</ul>
	</div>
</div>
</body>
</html>
